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Significant Accounting Policies (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Significant Accounting Policies [Line Items]      
Provision for expected credit loss on accounts receivable $ 443 $ 533 $ 1,106
Prepaid and other current assets [1] 461  
Long-term receivable $ 308 769  
Operating segment 1    
Deferred revenue [2] $ 436 544  
Revenue 9,392 9,163 14,840
Educational programs and services [Member]      
Significant Accounting Policies [Line Items]      
Revenue $ 7,468 $ 9,163 $ 14,840
Minimum [Member]      
Significant Accounting Policies [Line Items]      
Service period 1 year    
Maximum [Member]      
Significant Accounting Policies [Line Items]      
Service period 4 years    
[1] Long-term receivable, net related to Bay State College and expected to be collected less than twelve months.
[2] The balance represented the tuition payment collected in advance.